Document
ZOWIE
Schottky Barrier Diode
SCD34MH
FEATURES * Halogen-free type * Compliance to RoHS product * Lead less chip form, no lead damage * Low power loss, High efficiency * High current capability, low VF * Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
OUTLINE DIMENSIONS Case : 2010
4.5 ± 0.1
0.50
2.20 ± 0.1
APPLICATION
* Switching mode power supply applications * Portable equipment battery applications * High frequency rectification * DC / DC Converter * Telecommunication
0.96-+
0.2 0.1
0.95 ± 0.2
0.95 ± 0.2
(40V / 3.0A)
Unit : mm
Mounting Pad Layout
2.60 MAX. 1.47 MIN. 1.27 MIN. 5.14 REF.
MECHANICAL DATA Case : Packed with FRP substrate and epoxy underfilled Terminals : Pure Tin plated (Lead-Free),
solderable per MIL-STD-750, Method 2026. Polarity : Laser Cathode band marking Weight : 0.02 gram
PACKING * 3,000 pieces per 7" (178mm ± 2mm) reel * 4 reels per box * 6 boxes per carton
Absolute Maximum Ratings (Ta = 25 oC)
Equivalent : SMA DO-214AC
MARKING
SCD
34M.
ITEM
Repetitive peak reverse voltage Average forward current Peak forward surge current Operating junction temperature Range Storage temperature Range
Symbol
Conditions
VRRM IF(AV) IFSM
Tj TSTG
8.3ms single half sine-wave
Rating
40 3.0 80 -55 to +150 -55 to +150
Unit
V A A oC oC
Electrical characteristics (Ta = 25 oC) ITEM
Symbol
Conditions
Forward voltage (NOTE 1)
VF IF = 3.0A
Repetitive peak reverse current Junction capacitance
IRRM
VR = Max. VRRM
Cj VR = 4V, f = 1.0 MHz
Ta = 25 oC Ta = 125 oC
Thermal resistance
Rth(JA) Rth(JC)
NOTES : (1) Pulse test width PW=300usec , 1% duty cycle. (2) Mounted on P.C. board with recommended copper pad areas.
Junction to ambient (NOTE 2) Junction to case (NOTE 2)
REV. 3
Min. Typ. Max. Unit
-
0.50
0.55
V
-
0.01
0.10
mA
- 3.8 10
- 115 -
pF
- 128 - oC/W - 18 - oC/W
2014/01
ZOWIE
SCD34MH
AVERAGE FORWARD RECTIFIED CURRENT, AMPERES
FIG.1 - FORWARD CURRENT DERATING CURVE 4
3
2
1
0 0 50 70 90 110 130 150 170 CASE TEMPERATURE, oC
PEAK FORWARD SURGE CURRENT, AMPERES
80 70 60 50 40 30
20 10
0 1
(40V / 3.0A)
FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT
8.3ms Single Half Sine-Wave
10 NUMBER OF CYCLES AT 60Hz
100
IINSTANTANEOUS FORWARD CURRENT, AMPERES
FIG.3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
10
TJ = 150 TJ = 125 TJ = 100 TJ = 25
1
0.1
0.01 0
0.1 0.2 0.3 0.4 0.5 0.6
INSTANTANEOUS FORWARD VOLTAGE, (V)
INSTANTANEOUS REVERSE LEAKAGE CURRENT, MILLIAMPERES
FIG.4 - TYPICAL REVERSE CHARACTERISTICS 100
10
1 TJ = 125oC
TJ = 100oC 0.1
TJ = 150oC
0.01 0.001
TJ = 25oC
0.0001 0
20 40
60 80 100
PERCENT OF RATED PEAK REVERSE VOLTAGE,%
FIG.5 - TYPICAL JUNCTION CAPACITANCE
400
TJ = 25oC f=1.0MHz Vsig=50mVP-P
100
JUNCTION CAPACITANCE, pF
REV. 3
10 .1
1.0 10 REVERSE VOLTAGE, VOLTS
100
2014/01
.